update sv-x-k12 translation
update sv-x-k12 translation

Change-Id: I0e1fb26e359234f4194bb3d9712c0ca80c93fc7a
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/253318
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms